Pages 64-65 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of a thesis for the master of science degree, Michigan State University, East Lansing. 1960. 120 pages.
Pages 63-64 in Extension Circular 534, Review of Extension Research, January through December 1960, U.S. Department of Agriculture, Washington, D.C. Summary of a thesis for the master of science, Michigan State University, East Lansing. 1960. 100 pages.
Pages 75-77 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of the thesis for a Master of Science degree in agricultural economics, Michigan State University, East Lansing. 1958. 138 pages.
Pages 73-74 in Extension Circular 521, Review of Extension Research, January through December 1958, U.S. Department of Agriculture, Washington, D.C. Summary of the thesis for a Master of Science degree, Ohio State University, Columbus. 1958. 69 pages.